Genetic Information and Variation — A-Level Revision Notes

4 notes on Genetic Information and Variation for A-Level Biology.

Genetic Diversity and MutationGenetic diversity is the number of different alleles of genes in a… DNA ReplicationBefore a cell divides (by mitosis or meiosis), it must copy its… Transcription and TranslationThe central dogma of molecular biology describes the flow of genetic… Mutations and Sources of Genetic VariationA mutation is a change in the base sequence of DNA. Mutations are the…

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